Cara cari himpunan penyelesaian 3x kuadrat + 5x - 1 = 0 gimana ya?? Tolong dong soal essay nih

3x²+5x-1=0

a=3
b=5
c=-1

x1,2 = -b±√b²-4ac / 2a
=> -5±√5²-4(3)(-1) / 2(3)
=> -5±√25+12 / 6
=> -5±√37 /6

x1=-5+√37 / 6
x2=-5-√37 / 6